-60.73% is the change from 550 to 216
Calculation steps:
[( 216 - 550 ) ÷ 550] x 100 = -60.73%
Formula
Percentage change = [(216 - 550) / 550] x 100
Subtract the new number by the original number
216 - 550 = -334
-334 ÷ 550 = -0.6072727272727273
-0.6072727272727273 x 100 = -60.73%